What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels?

Scandinavian Airlines, TAP AIR PORTUGAL, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Brussels

What airlines fly to Brussels?

United Airlines, Scandinavian Airlines and Aer Lingus are the top three most popular airlines that fly to Brussels from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 8 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?

Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?

The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Brussels is 8 as of June 2026.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.

What documentation or ID do you need to fly to Brussels?

The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$299 Cheap Flights from Washington, D.C. Dulles Intl Airport to Brussels in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Brussels?

Prices are currently low for flights on this route. Typical prices usually range from $1,414 to $927. The lowest price recently found on this route was $850.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per week?

The number of flights available between Washington, D.C. Dulles Intl Airport and Brussels is 53 per week as of June 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per day?

7 flights are operational daily from Washington, D.C. Dulles Intl Airport to Brussels as of June 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 pm - 10:20 pm

IAD

BRU

19h 00m

1 stop

6:30 am - 7:25 pm

BRU

IAD

18h 55m

1 stop

$850Turkish Airlines

Sun, Nov 29 - Sun, Dec 13

1:20 pm - 10:10 am

IAD

BRU

14h 50m

1 stop

6:35 pm - 12:45 pm

BRU

IAD

23h 10m

1 stop

$851Turkish Airlines

Wed, Oct 14 - Sun, Oct 25

8:20 pm - 2:35 pm

IAD

BRU

12h 15m

1 stop

9:20 pm - 5:00 pm

BRU

IAD

25h 40m

2 stops

$852Scandinavian Airlines

Sun, Aug 16 - Sun, Aug 23

9:00 pm - 4:15 pm

IAD

CRL

13h 15m

1 stop

9:00 am - 3:15 pm

CRL

IAD

36h 15m

2 stops

$855Multiple Airlines

Wed, Dec 2 - Sun, Dec 13

3:50 pm - 7:10 pm

IAD

BRU

21h 20m

2 stops

10:20 am - 3:45 pm

BRU

IAD

11h 25m

1 stop

$857Multiple Airlines

Mon, Aug 17 - Wed, Aug 26

8:20 pm - 9:40 am

IAD

BRU

31h 20m

1 stop

3:15 pm - 5:00 pm

BRU

IAD

31h 45m

1 stop

$858Scandinavian Airlines

Wed, Aug 19 - Sat, Aug 22

7:40 pm - 6:40 pm

IAD

BRU

17h 00m

2 stops

10:15 am - 3:35 pm

BRU

IAD

11h 20m

1 stop

$859Multiple Airlines

Thu, Dec 3 - Fri, Dec 11

5:15 pm - 5:25 pm

IAD

BRU

18h 10m

1 stop

10:20 am - 3:45 pm

BRU

IAD

11h 25m

1 stop

$860Multiple Airlines

Tue, Aug 11 - Mon, Aug 24

8:30 pm - 10:35 pm

IAD

CRL

20h 05m

2 stops

1:50 pm - 7:00 pm

CRL

IAD

35h 10m

2 stops

$862Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

11:20 pm - 12:55 pm

IAD

BRU

31h 35m

1 stop

1:50 pm - 7:20 pm

BRU

IAD

11h 30m

1 stop

$871Icelandair

Wed, Jul 29 - Wed, Aug 5

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

Turkish Airlines

Nov 29

IAD1:30 pmWashington, D.C. Dulles Intl

15h 05m

1 stop

BRU10:35 amBrussels Bruxelles-National

Dec 12

BRU3:15 pmBrussels Bruxelles-National

26h 30m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$850

Turkish Airlines

Nov 1

IAD10:20 pmWashington, D.C. Dulles Intl

33h 55m

1 stop

BRU2:15 pmBrussels Bruxelles-National

Nov 15

BRU6:35 pmBrussels Bruxelles-National

23h 10m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$851

Turkish Airlines

Dec 4

IAD1:30 pmWashington, D.C. Dulles Intl

18h 45m

1 stop

BRU2:15 pmBrussels Bruxelles-National

Dec 14

BRU6:30 amBrussels Bruxelles-National

18h 55m

1 stop

IAD7:25 pmWashington, D.C. Dulles Intl

$869

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

Scandinavian Airlines

Aug 16

IAD8:20 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

BRU2:35 pmBrussels Bruxelles-National

Aug 23

BRU9:20 pmBrussels Bruxelles-National

25h 40m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$852

Scandinavian Airlines

Aug 26

IAD8:20 pmWashington, D.C. Dulles Intl

18h 10m

2 stops

BRU8:30 pmBrussels Bruxelles-National

Sep 6

BRU9:20 pmBrussels Bruxelles-National

25h 40m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$854

Scandinavian Airlines

Aug 19

IAD8:20 pmWashington, D.C. Dulles Intl

31h 20m

1 stop

BRU9:40 amBrussels Bruxelles-National

Aug 22

BRU3:15 pmBrussels Bruxelles-National

31h 45m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$858

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 11/29

9:20 pm-10:20 pm

1 stop19h 00m

Brussels Bruxelles-National

Sun 12/13

6:30 am-7:25 pm

1 stop18h 55m

$850

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 10/14

1:20 pm-10:10 am

1 stop14h 50m

Brussels Bruxelles-National

Sun 10/25

6:35 pm-12:45 pm

1 stop23h 10m

$851

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 8/16

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Sun 8/23

9:20 pm-5:00 pm

2 stops25h 40m

$852

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Wed 12/2

9:00 pm-4:15 pm

1 stop13h 15m

Charleroi Brussels

Sun 12/13

9:00 am-3:15 pm

2 stops36h 15m

$855

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 8/17

3:50 pm-7:10 pm

2 stops21h 20m

Brussels Bruxelles-National

Wed 8/26

10:20 am-3:45 pm

1 stop11h 25m

$857

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 8/19

8:20 pm-9:40 am

1 stop31h 20m

Brussels Bruxelles-National

Sat 8/22

3:15 pm-5:00 pm

1 stop31h 45m

$858

Quickest round-trip

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 12/3

7:40 pm-6:40 pm

2 stops17h 00m

Brussels Bruxelles-National

Fri 12/11

10:15 am-3:35 pm

1 stop11h 20m

$859

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 8/11

5:15 pm-5:25 pm

1 stop18h 10m

Brussels Bruxelles-National

Mon 8/24

10:20 am-3:45 pm

1 stop11h 25m

$860

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Fri 10/16

8:30 pm-10:35 pm

2 stops20h 05m

Charleroi Brussels

Tue 10/20

1:50 pm-7:00 pm

2 stops35h 10m

$862

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 7/29

11:20 pm-12:55 pm

1 stop31h 35m

Brussels Bruxelles-National

Wed 8/5

1:50 pm-7:20 pm

1 stop11h 30m

$871

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Brussels?

What is the cheapest month to fly to Brussels?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $385. If you are unable to visit Brussels during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $393.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. Dulles Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,124. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,328.

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National for the best Washington, D.C. Dulles Intl - Brussels flight prices

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $805 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. Dulles Intl Airport for as low as $655 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Brussels flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels

Fastest flight time	7h 30m
Direct flights	Every day
Airports in Brussels	2 airports

The fastest flight from Washington, D.C. Dulles Intl Airport to Brussels takes 7h 30m

Direct flights go from Washington, D.C. Dulles Intl Airport to Brussels every day.

There are 2 airports in Brussels. From Washington, D.C. Dulles Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Brussels

How far is Washington, D.C. Dulles Intl to Brussels by plane?
There are 3874.4 mi between Washington, D.C. Dulles Intl and Brussels. Typically, this will take 7h 30m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?
Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Brussels is 8 as of June 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $385	Free Cancellation	Rating 7.0 670 reviews	Search Icelandair flights
TAP AIR PORTUGAL	PriceFrom $440	Free Cancellation	Rating 7.2 2,273 reviews	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 1,812 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 4,409 reviews	Search Turkish Airlines flights
Aer Lingus	PriceFrom $539	Free Cancellation	Rating 7.3 1,600 reviews	Search Aer Lingus flights
United Airlines	PriceFrom $591	Free Cancellation	Rating 7.4 9,780 reviews	Search United Airlines flights
Brussels Airlines	PriceFrom $633	Free Cancellation	Rating 7.2 411 reviews	Search Brussels Airlines flights
Lufthansa	PriceFrom $762	Free Cancellation	Rating 6.8 8,044 reviews	Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Brussels for you.

Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Brussels?

momondo helps you find the best flight between Washington, D.C. and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $299

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Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

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Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

See travel insights to Brussels from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Brussels?

What is the cheapest month to fly to Brussels?

What is the cheapest day to depart on your flight to Brussels?

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Brussels?

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Brussels flights?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Brussels?

What airlines fly to Brussels?

How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Brussels on average per week?

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels

Fastest flight time

Direct flights

Airports in Brussels

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Brussels

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo

Why use momondo?

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels

Fly your favorite airline to Brussels

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